/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Polygroups/PolygroupSet.h
Initialize a PolygroupSet for given Mesh and specific Polygroup attribute layer, found by name. If not valid, fall back to standard triangle group layer.
FPolygroupSet ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) * MeshIn, [FName](API\Runtime\Core\UObject\FName) AttribName )